The only character code that can be used in CQL is MS932.

The following table shows the characters that can be used in CQL.

Table 3-1 Characters that can be used in CQL

No.	Type	Characters that can be used
1	Name	Single-byte alphanumeric characters and the underscore (_) can be used. However, a name must start with a single-byte alphanumeric character. For details about name specification, see 3.2.4 Specifying names.
2	Character string constant	Single- and double-byte characters can be used.
3	Other types	Single-byte characters and the special symbols listed below can be used. Single-byte characters Uppercase letters (A to Z), lowercase letters (a to z), numbers (0 to 9), spaces, and underscore (_) Special symbols Comma (,): Selection lists, value expressions, and the like Period (.): Floating-point constants, column specifications, date/time data, and the like Colon (:): Time, timestamp data Hyphen (-): Date, timestamp data Single quotation mark ('): To enclose a character string Left parenthesis (() and right parenthesis ()): Relation expressions, to enclose cast specifications, and so on Less than operator (<), greater than operator (>), equal to operator (=), and exclamation mark (!): Comparative operators Plus sign (+), minus sign (-), and forward slash (/): Arithmetic operators Asterisks (*): Arithmetic operator, whole column output, etc. Semicolon (;): Statement delimiter Square brackets ([ ]): Enclosing tab code for time specifications, line feed code, carriage return code Two forward slashes (//): Comments